Vulnerability identifier: #VU56861
Vulnerability risk: Low
CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID: N/A
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Cisco IOS XE SD-WAN
Other software /
Other software solutions
Cisco 1000 Series Integrated Services Routers
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Cisco 4000 Series Integrated Services Routers
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Cisco ASR 1000 Series Aggregation Services Routers
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Cisco Cloud Services Router 1000V Series
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Vendor: Cisco Systems, Inc
Description
The vulnerability allows a local user to overwrite arbitrary files on the system.
The vulnerability exists due to insufficient validation of specific CLI command parameters. A local administrator can overwrite the content of the configuration database and gain root-level access to an affected device.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Cisco IOS XE SD-WAN: 17.3.1a
Cisco 1000 Series Integrated Services Routers: All versions
Cisco 4000 Series Integrated Services Routers: All versions
Cisco ASR 1000 Series Aggregation Services Routers: All versions
Cisco Cloud Services Router 1000V Series: All versions
External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxesdwan-arbfileov-MVOF3ZZn
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.